Plain Harrow Disc D.660 mm Thickness 6 mm Hex 37 mm

Plain disc harrow blade manufactured by OFAS, featuring a large 660 mm diameter, heavy-duty 6 mm thickness, and a 37 mm hexagonal center hole for tillage machinery and disc harrows. Manufactured from high-strength 30 MnB 5 Boron steel to ensure maximum operating life even in severe soil conditions.

Features and benefits

• OFAS quality and reliability: engineered to high production standards for premium agricultural wear parts
• 30 MnB 5 Boron steel construction: delivers high hardness, outstanding toughness, and long-lasting resistance against severe soil abrasion
• Plain edge profile with 87 mm concavity: ensures deep soil penetration, clean slicing, and effective earth turning
• Heavy-duty 6 mm thickness: provides robust structural strength to withstand heavy impacts against stones and obstacles
• 37 mm hexagonal center hole: ensures a precise fit on the hexagonal gang shaft, evenly distributing torsional load and preventing rotational slippage

Technical data and specifications

Tips

Clean the 37 mm hexagonal shaft thoroughly from rust and soil build-up before slipping the disc onto the gang. Ensure all gang bolts are torqued evenly according to manufacturer specifications to avoid stress cracking around the hexagonal hole during heavy field work.